{"id":3923,"date":"2023-08-10T17:28:13","date_gmt":"2023-08-10T17:28:13","guid":{"rendered":"https:\/\/bulutistan.com\/blog\/?p=3923"},"modified":"2024-01-20T10:27:44","modified_gmt":"2024-01-20T10:27:44","slug":"etl-nedir","status":"publish","type":"post","link":"https:\/\/bulutistan.com\/blog\/etl-nedir\/","title":{"rendered":"ETL Nedir?"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Veri ambar\u0131 hakk\u0131nda konu\u015furken, muhtemelen &#8220;ETL&#8221; terimini duymu\u015fsunuzdur. Bu terim, i\u015fletmelerin verilere eri\u015fmesine, bunlar\u0131 de\u011fi\u015ftirmesine ve depolamas\u0131na olanak tan\u0131yan s\u00fcre\u00e7leri ifade eder. \u0130\u015fletmeler ETL&#8217;yi, verilerin verimli \u015fekilde y\u00f6netilmesi ve verilere kar\u015f\u0131 i\u015f zekas\u0131 (BI) \u00e7al\u0131\u015ft\u0131rma yetene\u011fi dahil olmak \u00fczere \u00e7e\u015fitli nedenlerle kullan\u0131r. Bu noktada s\u00fcreci kolayla\u015ft\u0131rmak ve ETL karma\u015f\u0131kl\u0131klar\u0131n\u0131 azaltmak i\u00e7in \u00e7e\u015fitli ETL ara\u00e7lar\u0131 mevcuttur.<\/span><\/p>\n<h2 id=\"etl-nedir\"><b>ETL Nedir?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">ETL, extract, transform ve load kelimelerinin k\u0131salt\u0131lm\u0131\u015f halidir. Veri ambarlamada bu \u00fc\u00e7 ad\u0131m, birden fazla farkl\u0131 veri kayna\u011f\u0131ndan gelen verileri tek bir merkezi konumda birle\u015ftirmek i\u00e7in kullan\u0131l\u0131r. Bu s\u00fcre\u00e7, pazarlamac\u0131lar\u0131n uygulamalar\u0131n\u0131 b\u00fcy\u00fctmelerine yard\u0131mc\u0131 olacak do\u011fru ve stratejik kararlar alabilmeleri i\u00e7in net analizlere olanak tan\u0131yacak \u015fekilde verileri d\u00fczenler.<\/span><\/p>\n<p><b>Extract:<\/b><span style=\"font-weight: 400;\"> ETL arac\u0131 verileri do\u011frudan bulunduklar\u0131 yerden al\u0131r yani ay\u0131klar. Bu, verilerin i\u015flenmesindeki ilk ad\u0131md\u0131r ve araca verilerin nas\u0131l depoland\u0131\u011f\u0131n\u0131 ve hangi g\u00fcvenlik kontrollerinin mevcut oldu\u011funu s\u00f6yler. Buradan sonra ara\u00e7, verileri okumak ve son ay\u0131klamadan bu yana herhangi bir verinin de\u011fi\u015fip de\u011fi\u015fmedi\u011fini anlamak i\u00e7in uygun sorgular\u0131 yay\u0131nlayabilir.<\/span><\/p>\n<p><b>Transform:<\/b><span style=\"font-weight: 400;\"> ETL arac\u0131n\u0131n \u00e7\u0131kard\u0131\u011f\u0131 yeni verilere bir \u015feyler yapt\u0131\u011f\u0131 yer buras\u0131d\u0131r. Belki baz\u0131 tablo h\u00fccrelerinin i\u00e7indeki bilgileri de\u011fi\u015ftirir ya da belki bir kaynaktan gelen verileri ba\u015fka bir kaynakla birle\u015ftirir. Baz\u0131 durumlarda ara\u00e7, di\u011fer t\u00fcm verilerle ayn\u0131 formatta yeni bir giri\u015f ekleyebilir. Ne olursa olsun, ETL arac\u0131 verileri de\u011fi\u015ftirir ve \u00f6zel talebe ba\u011fl\u0131 olarak farkl\u0131 sistem ve uygulamalarla etkile\u015fime girebilir.<\/span><\/p>\n<p><b>Load:<\/b><span style=\"font-weight: 400;\"> Veriler d\u00f6n\u00fc\u015ft\u00fcr\u00fcld\u00fc\u011f\u00fcnde, ETL arac\u0131 verileri hedef sisteme y\u00fckler. \u00c7o\u011fu zaman bu, verilerin bir veri ambar\u0131nda veya veri g\u00f6l\u00fcnde depolanmas\u0131 anlam\u0131na gelir ve ara\u00e7, depolamay\u0131 m\u00fcmk\u00fcn oldu\u011funca verimli hale getirmek i\u00e7in y\u00fcklemeyi optimize eder. Hedef sistemler analitik i\u015f y\u00fckleri i\u00e7in tasarlanm\u0131\u015ft\u0131r ve toplu veya paralel y\u00fcklemeler veri y\u00fcklemek i\u00e7in gereken toplam s\u00fcreyi azaltabilir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Bulutistan hizmetlerinin detaylar\u0131na ula\u015fmak i\u00e7in <\/span><a href=\"https:\/\/bulutistan.com\/cloud\/\"><span style=\"font-weight: 400;\">t\u0131klay\u0131n\u0131z<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h2 id=\"etl-nasil-calisir\">ETL Nas\u0131l \u00c7al\u0131\u015f\u0131r?<\/h2>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-3924\" src=\"https:\/\/bulutistan.com\/blog\/wp-content\/uploads\/2023\/09\/etl-nasil-calisir.jpeg\" alt=\"\" width=\"1000\" height=\"500\" srcset=\"https:\/\/bulutistan.com\/blog\/wp-content\/uploads\/2023\/09\/etl-nasil-calisir.jpeg 1000w, https:\/\/bulutistan.com\/blog\/wp-content\/uploads\/2023\/09\/etl-nasil-calisir-300x150.jpeg 300w, https:\/\/bulutistan.com\/blog\/wp-content\/uploads\/2023\/09\/etl-nasil-calisir-768x384.jpeg 768w, https:\/\/bulutistan.com\/blog\/wp-content\/uploads\/2023\/09\/etl-nasil-calisir-380x190.jpeg 380w, https:\/\/bulutistan.com\/blog\/wp-content\/uploads\/2023\/09\/etl-nasil-calisir-550x275.jpeg 550w, https:\/\/bulutistan.com\/blog\/wp-content\/uploads\/2023\/09\/etl-nasil-calisir-800x400.jpeg 800w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">ETL ara\u00e7lar\u0131 verileri d\u00f6n\u00fc\u015ft\u00fcrerek \u00e7al\u0131\u015f\u0131r.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Bir ETL arac\u0131 ERP sisteminizden g\u00fcncellenmi\u015f muhasebe bilgilerini alabilir (ay\u0131klama), di\u011fer muhasebe verileri ile birle\u015ftirebilir (d\u00f6n\u00fc\u015ft\u00fcrme) ve d\u00f6n\u00fc\u015ft\u00fcr\u00fclm\u00fc\u015f verileri (y\u00fckleme) analitik analiz i\u00e7in i\u015fletmenizin veri g\u00f6l\u00fcnde depolayabilir. Sonu\u00e7 olarak ETL arac\u0131 kaynak verileri al\u0131r, \u00fczerinde baz\u0131 i\u015flemler ger\u00e7ekle\u015ftirir ve BI ara\u00e7lar\u0131n\u0131 \u00e7al\u0131\u015ft\u0131rabilmeniz i\u00e7in depolar.<\/span><\/p>\n<h3 id=\"bir-etl-araci-bilgilerini-nereden-alir\">Bir ETL arac\u0131 bilgilerini nereden al\u0131r?<\/h3>\n<p><span style=\"font-weight: 400;\">Ham veri kaynaklar\u0131 a\u015fa\u011f\u0131dakileri i\u00e7erir:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tescilli veri tabanlar\u0131<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Eski bilgi i\u015flem sistemleri<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Bulut ortamlar\u0131<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">CRM sistemleri gibi sat\u0131\u015f uygulamalar\u0131<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Herhangi bir veri depolama platformu<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u00c7e\u015fitli t\u00fcrlerde ERP sistemleri<\/span><\/li>\n<\/ul>\n<h3 id=\"ortak-donusum-eylemleri\">Ortak D\u00f6n\u00fc\u015f\u00fcm Eylemleri<\/h3>\n<p><span style=\"font-weight: 400;\">Kaynak bilgileri kullan\u0131larak ETL verileri bir \u015fekilde d\u00f6n\u00fc\u015ft\u00fcr\u00fcr. Temel olarak, d\u00f6n\u00fc\u015f\u00fcm a\u015fa\u011f\u0131dakileri i\u00e7erir:<\/span><\/p>\n<p><b>Veri temizleme:<\/b><span style=\"font-weight: 400;\"> Verilerdeki yaz\u0131m hatalar\u0131 ve eksik de\u011ferler gibi hatalar giderilir. Temizleme, okunamayan veya kullan\u0131lamayan verilerin kald\u0131r\u0131lmas\u0131n\u0131 da i\u00e7erebilir.<\/span><\/p>\n<p><b>Standartla\u015ft\u0131rma ve s\u0131ralama:<\/b><span style=\"font-weight: 400;\"> D\u00f6n\u00fc\u015ft\u00fcrme i\u015flemi genellikle verileri standartla\u015ft\u0131r\u0131r, b\u00f6ylece y\u00fcklenen veriler depoland\u0131ktan sonra kullan\u0131labilir.<\/span><\/p>\n<p><b>Yinelenen verilerin kald\u0131r\u0131lmas\u0131:<\/b><span style=\"font-weight: 400;\"> Yinelenen bilgiler veri setinden kald\u0131r\u0131l\u0131r.<\/span><\/p>\n<p><b>Veri kalitesi kurallar\u0131:<\/b><span style=\"font-weight: 400;\"> Bir\u00e7ok i\u015fletmenin verilerinin kalitesini art\u0131ran \u00f6zel gereksinimleri vard\u0131r.<\/span><\/p>\n<h2 id=\"etl-pipeline-nedir\">ETL Pipeline Nedir?<\/h2>\n<p><span style=\"font-weight: 400;\">ETL pipeline, ay\u0131klama-d\u00f6n\u00fc\u015ft\u00fcrme-y\u00fckleme prosed\u00fcr\u00fcn\u00fc olu\u015fturan ad\u0131mlar toplulu\u011fudur. Pipeline, verilerin orijinal kaynak sistemlerinden son konumlar\u0131na do\u011fru ilerlerken ge\u00e7ti\u011fi s\u00fcre\u00e7ler k\u00fcmesini takip eder.<\/span><\/p>\n<h3 id=\"1-verileri-orijinal-kaynaklarindan-ayiklayin\">1. Verileri orijinal kaynaklar\u0131ndan ay\u0131klay\u0131n<\/h3>\n<p><span style=\"font-weight: 400;\">Veriler, a\u015fa\u011f\u0131dakiler dahil olmak \u00fczere yap\u0131land\u0131r\u0131lm\u0131\u015f ve yap\u0131land\u0131r\u0131lmam\u0131\u015f kaynaklardan gelebilir:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Mobil cihazlar ve uygulamalar<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Belgeler<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">E-posta\u2019lar<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0130\u015f uygulamalar\u0131, yani sat\u0131\u015f ve pazarlama uygulamalar\u0131<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Veri depolama platformlar\u0131 ve veri ambarlar\u0131 dahil mevcut veri tabanlar\u0131<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Analitik ara\u00e7lar<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ekipman<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u00fc\u015fteri ili\u015fkileri y\u00f6netimi (CRM) sistemleri<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u00dc\u00e7\u00fcnc\u00fc taraflar<\/span><\/li>\n<\/ul>\n<h3 id=\"2-ham-verinin-donusturulmesi\">2. <b>Ham verinin d\u00f6n\u00fc\u015ft\u00fcr\u00fclmesi<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Orijinal ham halinden itibaren veriler, di\u011fer kaynaklardan gelen verilerle birle\u015ftirilmeye haz\u0131rlanmak i\u00e7in \u00e7e\u015fitli i\u015flemlerden ge\u00e7er. Bu ad\u0131mlar a\u015fa\u011f\u0131dakileri i\u00e7erebilir:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kullan\u0131lamaz verilerin ay\u0131klanmas\u0131<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Yinelenen verileri kald\u0131rma<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Veri anomalilerini i\u015faretleme<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tutars\u0131zl\u0131klar\u0131 ve eksik de\u011ferleri \u00e7\u00f6zme<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tutarl\u0131 bi\u00e7imlendirme kurallar\u0131 uygulama<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Verilerin t\u00fcre g\u00f6re d\u00fczenlenmesi<\/span><\/li>\n<\/ul>\n<h3 id=\"3-verileri-hedef-veri-tabanina-yukleme\">3. <b>Verileri hedef veri taban\u0131na y\u00fckleme<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Veriler d\u00fczene sokulduktan sonra u\u00e7 veri ambar\u0131na aktar\u0131lmaya haz\u0131r hale gelir. Veriler s\u00f6z konusu u\u00e7 kayna\u011fa ilk kez y\u00fckleniyorsa, kaynak verilerin tamam\u0131n\u0131n bir kerede y\u00fcklenmesi muhtemeldir. Bundan sonra, veriler de\u011fi\u015ftik\u00e7e veya yeni veriler kullan\u0131labilir hale geldik\u00e7e verilerin art\u0131ml\u0131 gruplar halinde y\u00fcklenmesi daha olas\u0131d\u0131r. Son olarak, veriler ger\u00e7ek zamanl\u0131 olarak veya zamanlanm\u0131\u015f gruplar halinde y\u00fcklenebilir.<\/span><\/p>\n<h2 id=\"etl-araclari-neden-kullanilir\">ETL Ara\u00e7lar\u0131 Neden Kullan\u0131l\u0131r?<\/h2>\n<p><span style=\"font-weight: 400;\">Raporlama ve analitik, ETL ara\u00e7lar\u0131n\u0131n ilk etapta var olmas\u0131n\u0131n ba\u015fl\u0131ca nedenlerinden ikisidir. ETL&#8217;nin &#8220;y\u00fckleme&#8221; i\u015flevi, yap\u0131land\u0131r\u0131lm\u0131\u015f ve yap\u0131land\u0131r\u0131lmam\u0131\u015f verilerin i\u015f kararlar\u0131na yard\u0131mc\u0131 olacak i\u00e7g\u00f6r\u00fcler elde etmek \u00fczere i\u015f zekas\u0131 ara\u00e7lar\u0131yla analiz edilebilmesi i\u00e7in bi\u00e7imlendirilece\u011fi \u015fekilde ger\u00e7ekle\u015fir. Veriler veri ambar\u0131na veya veri g\u00f6l\u00fcne y\u00fcklendik\u00e7e, ETL arac\u0131 bu verilerin uzun vadeli analizi ve kullan\u0131m\u0131 i\u00e7in zemin haz\u0131rlar.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00d6rnekler aras\u0131nda bankac\u0131l\u0131k verileri, sigorta talepleri ve perakende sat\u0131\u015f ge\u00e7mi\u015fi yer al\u0131r. Kaynak bilgiler d\u00f6n\u00fc\u015ft\u00fcr\u00fcld\u00fckten ve y\u00fcklendikten sonra i\u015fletmeler analiz i\u00e7in kulland\u0131klar\u0131 tercih edilen uygulamalar arac\u0131l\u0131\u011f\u0131yla bu verilere eri\u015febilir ve bunlar\u0131 kullanabilir. Bu d\u00fczenlemenin, \u00f6rne\u011fin, belirli bir ayda \u00e7ekilen ortalama \u00e7ek hesab\u0131 say\u0131s\u0131n\u0131 \u00e7ekmek veya Temmuz ay\u0131nda sigortal\u0131lar taraf\u0131ndan ka\u00e7 kaza talebinde bulunuldu\u011funu h\u0131zl\u0131 bir \u015fekilde hesaplamak i\u00e7in nas\u0131l yararl\u0131 olabilece\u011fini g\u00f6rmek zor de\u011fildir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">ETL ara\u00e7lar\u0131 taraf\u0131ndan i\u015flenen yap\u0131land\u0131r\u0131lm\u0131\u015f ve yap\u0131land\u0131r\u0131lmam\u0131\u015f veriler i\u00e7in daha da modern kullan\u0131m alanlar\u0131 vard\u0131r. Nesnelerin \u0130nterneti (IoT) cihazlar\u0131, makine \u00f6\u011frenimi uygulamalar\u0131nda kullan\u0131lmak \u00fczere y\u00fckl\u00fc verileri \u00e7ekmektedir. Ayn\u0131 \u015fey, bir kullan\u0131c\u0131ya hangi bildirimlerin g\u00f6nderilece\u011fi veya hangi reklamlar\u0131n sunulaca\u011f\u0131 gibi bir dizi karar vermek i\u00e7in veri g\u00f6llerinde depolanan verilerden yararlanan sosyal medya uygulamalar\u0131 i\u00e7in de ge\u00e7erlidir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Kullan\u0131m alanlar\u0131 neredeyse sonsuzdur. B\u00fcy\u00fck veri b\u00fcy\u00fcd\u00fck\u00e7e ve daha fazla veri, giderek daha b\u00fcy\u00fck veri setlerini i\u015fleyen uygulamalar taraf\u0131ndan desteklendik\u00e7e, ETL ara\u00e7lar\u0131n\u0131n avantajlar\u0131 daha da artacakt\u0131r.<\/span><\/p>\n<h2 id=\"etl-testi-nedir\">ETL Testi Nedir?<\/h2>\n<p><span style=\"font-weight: 400;\">Baz\u0131 durumlarda, bir i\u015fletme ETL ara\u00e7lar\u0131 taraf\u0131ndan i\u015flenen verilerin uygun \u015fekilde y\u00f6netildi\u011fini do\u011frulamak isteyebilir. Temel olarak, verilerin do\u011fru ve eksiksiz bir \u015fekilde \u00e7\u0131kar\u0131ld\u0131\u011f\u0131n\u0131, do\u011fru \u015fekilde d\u00f6n\u00fc\u015ft\u00fcr\u00fcld\u00fc\u011f\u00fcn\u00fc ve do\u011fru formatta do\u011fru sisteme y\u00fcklendi\u011fini bilmek isterler.<\/span><\/p>\n<h3 id=\"etl-testi-icin-kullanim-alanlari\">ETL Testi i\u00e7in Kullan\u0131m Alanlar\u0131<\/h3>\n<p><span style=\"font-weight: 400;\">Bir i\u015fletmenin ETL testine ne zaman ba\u015fvurabilece\u011fine dair baz\u0131 \u00f6rnekleri a\u015fa\u011f\u0131da bulabilirsiniz:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Veri ambar\u0131n\u0131 yeni kurduysan\u0131z ve her \u015feyin sorunsuz \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131 onaylaman\u0131z gerekiyorsa,<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0130\u015fletmeniz b\u00fcy\u00fck bir veri ge\u00e7i\u015fi veya entegrasyon \u00e7al\u0131\u015fmas\u0131n\u0131 yeni tamamlad\u0131\u011f\u0131nda,<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Veri kalitesi veya performans sorunlar\u0131 ya\u015fad\u0131\u011f\u0131n\u0131zdan \u015f\u00fcphelenmeniz i\u00e7in bir neden oldu\u011funda, ETL testine ba\u015fvurabilirsiniz.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">ETL testi, ETL ara\u00e7lar\u0131na sahip herhangi bir i\u015fletmenin her zaman uygulamas\u0131 gereken bir y\u00f6ntem de\u011fildir, ancak belirli durumlarda kesinlikle yap\u0131lmal\u0131d\u0131r.<\/span><\/p>\n<h2 id=\"etl-kullanim-ornekleri-ve-entegrasyon-kaliplari\">ETL Kullan\u0131m \u00d6rnekleri ve Entegrasyon Kal\u0131plar\u0131<\/h2>\n<p><span style=\"font-weight: 400;\">Farkl\u0131 kullan\u0131m durumlar\u0131, farkl\u0131 ETL yakla\u015f\u0131mlar\u0131 veya entegrasyon modelleri gerektirir. En yayg\u0131n kullan\u0131m durumlar\u0131ndan veya entegrasyon modellerinden \u00fc\u00e7\u00fc a\u015fa\u011f\u0131daki \u015fekildedir:<\/span><\/p>\n<h3 id=\"1-toplu-isleme-icin-etl\">1. Toplu \u0130\u015fleme i\u00e7in ETL<\/h3>\n<p><span style=\"font-weight: 400;\">Toplu i\u015fleme, ETL ara\u00e7lar\u0131n\u0131n veri ambar\u0131na veya veri g\u00f6l\u00fcne d\u00f6n\u00fc\u015ft\u00fcrmeden ve y\u00fcklemeden \u00f6nce daha \u00f6nceden belirlenmi\u015f bir programa g\u00f6re kaynaktan veri y\u0131\u011f\u0131nlar\u0131n\u0131 \u00e7\u0131karmas\u0131n\u0131 gerektirir. Bu geleneksel bir yakla\u015f\u0131md\u0131r ve belirli bir s\u00fcre boyunca toplanan b\u00fcy\u00fck hacimli veriler i\u00e7in uygundur. \u0130\u015flemlerin g\u00fcn boyunca ger\u00e7ekle\u015fti\u011fi ve g\u00fcnl\u00fck gelirleri hesaplamak i\u00e7in ma\u011fazalar kapand\u0131\u011f\u0131nda, verilerin ETL i\u015flemine tabi tutuldu\u011fu bir perakende ortam\u0131 buna iyi bir \u00f6rnektir.<\/span><\/p>\n<h3 id=\"2-veri-akisi-icin-etl\">2. Veri Ak\u0131\u015f\u0131 i\u00e7in ETL<\/h3>\n<p><span style=\"font-weight: 400;\">Ak\u0131\u015f verileri i\u00e7in ETL, ger\u00e7ek zamanl\u0131 bir ak\u0131\u015f \u00fczerinde ger\u00e7ekle\u015ftirilen s\u00fcrekli ETL s\u00fcre\u00e7lerini ele al\u0131r. Ak\u0131\u015f ETL s\u00fcre\u00e7leri toplu i\u015flemeye g\u00f6re daha iyi veri gecikmesi yarat\u0131r, \u00e7\u00fcnk\u00fc veriler zamanlanm\u0131\u015f bir toplu g\u00fcncellemeyi beklemek yerine ger\u00e7ek zamanl\u0131 olarak d\u00f6n\u00fc\u015ft\u00fcr\u00fcl\u00fcr ve y\u00fcklenir. Buna ek olarak, s\u00fcrekli \u00e7al\u0131\u015fma, herhangi bir zamanda daha az miktarda i\u015fleme kapasitesi gerekti\u011fi ve kullan\u0131mdaki ani art\u0131\u015flar\u0131n \u00f6nlenebilece\u011fi anlam\u0131na gelir. Bununla birlikte, daha h\u0131zl\u0131 i\u015fleme, toplu i\u015flemden daha fazla hataya ve daha &#8220;da\u011f\u0131n\u0131k&#8221; verilere de neden olabilir. Ak\u0131\u015f verileri i\u00e7in ETL, end\u00fcstriyel s\u00fcre\u00e7lerde ve makine \u00f6\u011freniminde IoT verilerinin kullan\u0131m\u0131, finansal ticaret katlar\u0131nda veya e-ticaret ortamlar\u0131nda oldu\u011fu gibi i\u015fletmelerin s\u0131k s\u0131k izleme ve ayarlama yapmas\u0131 gereken durumlarda kullan\u0131\u015fl\u0131d\u0131r.<\/span><\/p>\n<h3 id=\"3-degisiklik-verisi-yakalama-cdc-icin-etl\">3. De\u011fi\u015fiklik Verisi Yakalama (CDC) i\u00e7in ETL<\/h3>\n<p><span style=\"font-weight: 400;\">CDC i\u00e7in ETL, kaynak verilerde yap\u0131lan de\u011fi\u015fiklikleri izlemeye ve bu de\u011fi\u015fikliklerin veri ambar\u0131nda veya veri g\u00f6l\u00fcnde \u00e7o\u011falt\u0131lmas\u0131n\u0131 sa\u011flamaya y\u00f6nelik bir s\u00fcre\u00e7tir, b\u00f6ylece bilgiye eri\u015fen herkes m\u00fcmk\u00fcn olan en g\u00fcncel verilere sahip olur. De\u011fi\u015fiklik verileri, son kullan\u0131c\u0131lar\u0131n ihtiya\u00e7lar\u0131na ba\u011fl\u0131 olarak bir toplu i\u015flemde veya ger\u00e7ek zamanl\u0131 olarak sunulabilir. Ak\u0131\u015f verileri i\u00e7in ETL gibi bir CDC s\u00fcreci de ETL kaynaklar\u0131 i\u00e7in daha fazla verimlilik sa\u011flayabilir, \u00e7\u00fcnk\u00fc yaln\u0131zca de\u011fi\u015fen veri b\u00f6l\u00fcm\u00fcyle ilgilenir ve daha az miktarda bilgi i\u015flem, a\u011f bant geni\u015fli\u011fi ve depolama gerektirir. CDC, kredi kart\u0131 \u015firketlerinin bir kart\u0131n ayn\u0131 anda birden fazla yerde kullan\u0131l\u0131p kullan\u0131lmad\u0131\u011f\u0131n\u0131 an\u0131nda bilmesi gereken doland\u0131r\u0131c\u0131l\u0131k tespiti gibi ortamlarda hayati \u00f6nem ta\u015f\u0131r.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Bir t\u00fcr ETL i\u015flem hatt\u0131na veya entegrasyon modeline sahip olman\u0131n di\u011ferlerinin kullan\u0131m\u0131n\u0131 engellemedi\u011fini unutmaman\u0131z \u00f6nemlidir. Bir\u00e7ok i\u015fletme, farkl\u0131 veri ve analitik ihtiya\u00e7lar\u0131n\u0131 kar\u015f\u0131lamak i\u00e7in birbiriyle birlikte \u00e7al\u0131\u015fan toplu i\u015f, ak\u0131\u015f ve CDC ETL i\u015flem hatlar\u0131na sahiptir.<\/span><\/p>\n<h3 id=\"4-cloud-native-etl-araclari\">4. Cloud-Native ETL Ara\u00e7lar\u0131<\/h3>\n<p><span style=\"font-weight: 400;\">\u015eirketler, tescilli veri kaynaklar\u0131 ile entegre olabilen ve farkl\u0131 web uygulamalar\u0131ndan veya \u015firket i\u00e7i kaynaklardan veri alabilen bulut tabanl\u0131 ara\u00e7lara giderek daha fazla y\u00f6nelmektedir. \u0130\u015fletmeler bu ara\u00e7lar\u0131, verileri sistemler aras\u0131nda ta\u015f\u0131mak ve veri ambarlar\u0131na veya veri g\u00f6llerine yazmadan \u00f6nce kopyalamak, d\u00f6n\u00fc\u015ft\u00fcrmek ve zenginle\u015ftirmek i\u00e7in kullan\u0131r. Bir\u00e7ok i\u015fletme, her biri farkl\u0131 veri kaynaklar\u0131 i\u00e7in ba\u011flay\u0131c\u0131lar i\u00e7erdi\u011finden ve her birinin kendi g\u00fc\u00e7l\u00fc ve zay\u0131f y\u00f6nleri oldu\u011fundan, birden fazla bulut yerel arac\u0131 kullan\u0131r.\u00a0<\/span><\/p>\n<h2 id=\"etl-ile-ilgili-yaygin-zorluklar\">ETL \u0130le \u0130lgili Yayg\u0131n Zorluklar<\/h2>\n<p><span style=\"font-weight: 400;\">ETL i\u00e7in olas\u0131l\u0131klar sonsuz gibi g\u00f6r\u00fcnse de, ETL&#8217;nin her yeni yinelemesi, \u00f6nceki nesil yaz\u0131l\u0131mlar\u0131n hesaba katmad\u0131\u011f\u0131 veya \u00f6ng\u00f6remedi\u011fi baz\u0131 sorunlar\u0131 \u00e7\u00f6zmeye \u00e7al\u0131\u015f\u0131r.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Yeni ETL platformlar\u0131, veri kaynaklar\u0131n\u0131n s\u00fcrekli geli\u015fen karma\u015f\u0131kl\u0131\u011f\u0131 ve \u00f6l\u00e7eklendirme ile ilgili sorunlar gibi yeni veri zorluklar\u0131n\u0131 kar\u015f\u0131lamak i\u00e7in s\u00fcrekli \u00e7abalar.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A\u015fa\u011f\u0131da, platform yarat\u0131c\u0131lar\u0131n\u0131n her zaman ele almak i\u00e7in \u00e7al\u0131\u015ft\u0131\u011f\u0131 en yayg\u0131n ETL zorluklar\u0131ndan birka\u00e7\u0131 yer almaktad\u0131r:<\/span><\/p>\n<h3 id=\"1-artan-veri-hacmi-ve-cesitliligi\">1. Artan Veri Hacmi ve \u00c7e\u015fitlili\u011fi<\/h3>\n<p><span style=\"font-weight: 400;\">\u0130\u015fletmeler, \u00e7ok \u00e7e\u015fitli yeni kaynaklardan gelen ve s\u00fcrekli artan veri hacmi ve bu verileri kullanmak i\u00e7in s\u00fcrekli geni\u015fleyen bir dizi olas\u0131l\u0131kla kar\u015f\u0131 kar\u015f\u0131yad\u0131r. Bu veri patlamas\u0131, ETL i\u015flem hatlar\u0131ndaki karma\u015f\u0131kl\u0131\u011f\u0131n artmas\u0131na neden olarak bu hatlar\u0131n tasarlanmas\u0131n\u0131, y\u00fcr\u00fct\u00fclmesini ve bak\u0131m\u0131n\u0131 daha zahmetli hale getirmektedir. Artan veri hacimleri, ara depolama maliyetleri ve ETL i\u015flem hatt\u0131 y\u00fcr\u00fctme ve hesaplama kaynaklar\u0131 \u00fccretleri \u00fczerinde de zincirleme bir etkiye sahiptir. ETL ara\u00e7lar\u0131n\u0131n kapasitesi, \u00f6zellikle daha fazla bulut tabanl\u0131 arac\u0131n geli\u015ftirilmesiyle birlikte art\u0131yor olsa da, veri \u00e7e\u015fitlili\u011fi ve hacmindeki b\u00fcy\u00fcmenin sonunda bir i\u015fletmenin bunlar\u0131 etkili bir \u015fekilde i\u015fleme kapasitesini a\u015fma riski vard\u0131r. Kolay \u00f6l\u00e7eklenebilirli\u011fin sa\u011flanmas\u0131, uzun vadeli b\u00fcy\u00fcme i\u00e7in \u00e7ok \u00f6nemli olacakt\u0131r.<\/span><\/p>\n<h3 id=\"2-herkesin-erisim-istemesi\">2. Herkesin Eri\u015fim \u0130stemesi<\/h3>\n<p><span style=\"font-weight: 400;\">Kurulu\u015flar daha fazla veri toplay\u0131p i\u015fledik\u00e7e, sadece veri bilimcileri ve analistlerden de\u011fil, veri i\u015fine daha az a\u015fina olan i\u015f kullan\u0131c\u0131lar\u0131ndan da daha fazla veri talebi gelir ve elbette herkes bu verileri m\u00fcmk\u00fcn olan en k\u0131sa s\u00fcrede \u00e7al\u0131\u015fabilecekleri bir formatta ister. Ek talepler, yeni ETL i\u015f ak\u0131\u015flar\u0131 olu\u015ftururken veri m\u00fchendisli\u011fi ekipleriniz i\u00e7in ek i\u015f, veri bilimcileri ve i\u015f analistleri i\u00e7in de\u011fer elde etme s\u00fcresinde gecikme anlam\u0131na gelir. H\u0131z veya performanstan \u00f6d\u00fcn vermeden do\u011fru verileri do\u011fru formatta do\u011fru ki\u015filere do\u011fru zamanda sa\u011flamak zor bir denge olabilir.<\/span><\/p>\n<h3 id=\"3-hatalar\">3. Hatalar<\/h3>\n<p><span style=\"font-weight: 400;\">Yeni veri t\u00fcrleri genellikle m\u00fccadele edilmesi gereken yeni hata t\u00fcrleri anlam\u0131na gelir. Daha \u00f6nce de belirtti\u011fimiz gibi, veri temizleme ETL&#8217;nin d\u00f6n\u00fc\u015f\u00fcm y\u00f6n\u00fcn\u00fcn \u00f6nemli bir par\u00e7as\u0131d\u0131r, ancak bir t\u00fcr kaynak veri i\u00e7in \u00e7al\u0131\u015fan veri temizleme protokol\u00fc, ba\u015fka bir kaynaktan gelen veya farkl\u0131 bir ambar ortam\u0131na y\u00fcklenen veriler i\u00e7in yeterli olmayabilir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Verilerinizin b\u00fct\u00fcnl\u00fc\u011f\u00fcn\u00fc tehlikeye atan kopyalar, yanl\u0131\u015f yerle\u015ftirilmi\u015f veriler veya di\u011fer yanl\u0131\u015fl\u0131klarla kar\u015f\u0131la\u015fabilirsiniz. ETL s\u00fcreciniz i\u00e7in ne kadar \u00e7ok kodlama gerekirse, hatalarla kar\u015f\u0131la\u015fma olas\u0131l\u0131\u011f\u0131n\u0131z da o kadar artacakt\u0131r.<\/span><\/p>\n<h3 id=\"4-siber-guvenlik-gizlilik-ve-duzenleyici-endiseler\">4. Siber G\u00fcvenlik, Gizlilik ve D\u00fczenleyici Endi\u015feler<\/h3>\n<p><span style=\"font-weight: 400;\">\u0130ster sistemlere y\u00f6nelik do\u011frudan bir siber sald\u0131r\u0131 tehdidiyle kar\u015f\u0131 kar\u015f\u0131ya olsun, ister yeni mevzuat\u0131n a\u015fa\u011f\u0131 y\u00f6nl\u00fc etkilerine yan\u0131t versin, i\u015fletmelerin hassas verilerin korunmas\u0131n\u0131 ve yaln\u0131zca uygun kullan\u0131c\u0131larla payla\u015f\u0131lmas\u0131n\u0131 sa\u011flamak i\u00e7in ETL ara\u00e7lar\u0131na ihtiyac\u0131 vard\u0131r. Buna ek olarak, kat\u0131 saklama d\u00fczenlemeleri ve politikalar\u0131, i\u015fletmelerin ge\u00e7mi\u015f verilere bakabilmesini giderek daha fazla gerektirir ve eski veri formatlar\u0131yla sorunsuz \u00e7al\u0131\u015fabilen ETL ara\u00e7lar\u0131na ihtiya\u00e7 duyar.<\/span><\/p>\n<h2 id=\"etlnin-yuklerini-azaltma\">ETL&#8217;nin Y\u00fcklerini Azaltma<\/h2>\n<p><span style=\"font-weight: 400;\">ETL, zaman al\u0131c\u0131 ve hataya a\u00e7\u0131k olabilir. \u00c7o\u011fu durumda verilerinizi ay\u0131klamak, gerekli d\u00f6n\u00fc\u015f\u00fcmleri ger\u00e7ekle\u015ftirmek ve uygun formatta yeni konuma y\u00fcklemek uzun zaman al\u0131r. Ayr\u0131ca ETL gibi \u00e7ok ad\u0131ml\u0131 bir i\u015flem s\u0131ras\u0131nda yanl\u0131\u015f gidebilecek \u00e7ok \u015fey vard\u0131r. Prosed\u00fcrde ne kadar \u00e7ok ad\u0131m varsa, hata yapma olas\u0131l\u0131\u011f\u0131n\u0131z da o kadar artar. Ayr\u0131ca bu i\u015flemler genellikle \u00e7ok maliyetlidir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Bu da yeni ETL ara\u00e7lar\u0131 geli\u015ftiren geli\u015ftiricilerin, artan veri hacmi, \u00e7e\u015fitlili\u011fi ve yeni taleplerle kar\u015f\u0131 kar\u015f\u0131ya olsalar bile ETL i\u015flem hatlar\u0131ndaki karma\u015f\u0131kl\u0131k miktar\u0131n\u0131 azaltmaya odaklanmalar\u0131 gerekti\u011fi anlam\u0131na gelir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Bu nedenle, \u00e7e\u015fitli kaynaklarla \u00e7al\u0131\u015fabilen, kolayca \u00f6l\u00e7eklenebilir bulut tabanl\u0131 ETL ara\u00e7lar\u0131n\u0131n pop\u00fclerli\u011fi artmaktad\u0131r. Ak\u0131\u015f verileri ve geleneksel toplu i\u015fleme i\u00e7in ETL ile birlikte bu ara\u00e7lar, i\u015fletmelerin ETL&#8217;ye daha \u00f6zel bir yakla\u015f\u0131m olu\u015fturmas\u0131na yard\u0131mc\u0131 olur.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Bulutistan hizmetlerinin detaylar\u0131na ula\u015fmak i\u00e7in <\/span><a href=\"https:\/\/bulutistan.com\/cloud\/\"><span style=\"font-weight: 400;\">t\u0131klay\u0131n\u0131z<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h2 id=\"veri-islem-hatti-ile-etl-arasindaki-fark-nedir\">Veri \u0130\u015flem Hatt\u0131 ile ETL Aras\u0131ndaki Fark Nedir?<\/h2>\n<p><span style=\"font-weight: 400;\">ETL i\u015flem hatt\u0131, \u00e7e\u015fitli veri i\u015flem hatt\u0131 t\u00fcrlerinden biridir. Di\u011fer veri hatt\u0131 t\u00fcrleri, verilerin d\u00f6n\u00fc\u015ft\u00fcr\u00fclmesini veya bir son konuma aktar\u0131lmas\u0131n\u0131 i\u00e7ermeyebilir. Bunun yerine, baz\u0131 veri i\u015flem hatt\u0131 t\u00fcrleri daha uzun veri i\u015f ak\u0131\u015flar\u0131nda sonraki ad\u0131mlar\u0131 tetikler.<\/span><\/p>\n<h2 id=\"etl-islem-hatti-ornegi\">ETL \u0130\u015flem Hatt\u0131 \u00d6rne\u011fi<\/h2>\n<p><span style=\"font-weight: 400;\">Bir uygulama pazarlamac\u0131s\u0131n\u0131n bir ETL pipeline kullanarak \u015fu anda reklam\u0131n\u0131 yapt\u0131\u011f\u0131 sosyal medya kanallar\u0131ndan gelen verileri d\u00fczene sokmak istedi\u011fi varsay\u0131msal bir \u00f6rne\u011fi ele alal\u0131m.<\/span><\/p>\n<p><b>Ay\u0131klama: <\/b><span style=\"font-weight: 400;\">Veriler Facebook, Twitter ve TikTok&#8217;tan al\u0131n\u0131r.<\/span><\/p>\n<p><b>D\u00f6n\u00fc\u015ft\u00fcrme:<\/b><span style=\"font-weight: 400;\"> Veriler bi\u00e7imlendirme, kategorizasyon ve do\u011fruluk a\u00e7\u0131s\u0131ndan tutarl\u0131 hale getirilir.<\/span><\/p>\n<p><b>Y\u00fckleme:<\/b><span style=\"font-weight: 400;\"> Haz\u0131rlanan veriler, merkezi bir konumdaki t\u00fcm platformlarda pazarlama i\u00e7g\u00f6r\u00fclerinin tutarl\u0131 bir g\u00f6r\u00fcn\u00fcm\u00fcn\u00fc sa\u011flayan bir u\u00e7 g\u00f6sterge tablosuna y\u00fcklenir.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"Veri ambar\u0131 hakk\u0131nda konu\u015furken, muhtemelen &#8220;ETL&#8221; terimini duymu\u015fsunuzdur. Bu terim, i\u015fletmelerin verilere eri\u015fmesine, bunlar\u0131 de\u011fi\u015ftirmesine ve depolamas\u0131na olanak&hellip;\n","protected":false},"author":1,"featured_media":3925,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"csco_singular_sidebar":"","csco_page_header_type":"","csco_appearance_grid":"","csco_page_load_nextpost":"","csco_post_video_location":[],"csco_post_video_location_hash":"","csco_post_video_url":"","csco_post_video_bg_start_time":0,"csco_post_video_bg_end_time":0},"categories":[1],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>ETL Nedir? - Bulutistan Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/bulutistan.com\/blog\/etl-nedir\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ETL Nedir? - Bulutistan Blog\" \/>\n<meta property=\"og:description\" content=\"Veri ambar\u0131 hakk\u0131nda konu\u015furken, muhtemelen &#8220;ETL&#8221; terimini duymu\u015fsunuzdur. 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